Search found 2703 matches

by Mike
Tue Feb 28, 2017 2:27 am
Forum: Programming
Topic: The IF statement....
Replies: 8
Views: 35

Re: The IF statement....

When I made my first program it had a-lot of IF statements; on the Vic-20 ,that slows it down tremendously (Pac-Man usually never eats anything before I give up), I have to use if's: how does the Vic know the object ran off the screen, or when they collide. As you are discovering, BASIC is very slo...
by Mike
Mon Feb 27, 2017 5:39 pm
Forum: Programming
Topic: Maxi-/Uber-Edit
Replies: 31
Views: 923

Re: Maxi-/Uber-Edit

[...] you really are talking of a few programs that would benefit from this, [...] Programs will need to be specially *crafted* for the extended screen, they won't benefit by a happy coincidence. so it really doesn't matter what you break. That would be just most other, unaware programs. I think th...
by Mike
Mon Feb 27, 2017 5:06 pm
Forum: Programming
Topic: Maxi-/Uber-Edit
Replies: 31
Views: 923

Re: Maxi-/Uber-Edit

Steve, those are not the only worms in the can you opened: 1. Regardless whether the replacement editor is provided as wedge or within the KERNAL, the changed BASIC start will break practically each and every BASIC stub of programs in machine language. 2. To rephrase a point of an earlier post of mi...
by Mike
Mon Feb 27, 2017 4:15 am
Forum: Programming
Topic: Maxi-/Uber-Edit
Replies: 31
Views: 923

Re: Maxi-/Uber-Edit

@tokra: PM sent
by Mike
Mon Feb 27, 2017 4:03 am
Forum: Buy, Sell, and Trade
Topic: Super VIC20 motherboard! (PAL) MOBO
Replies: 43
Views: 4613

Re: Super VIC20 motherboard! (PAL) MOBO

Any news?
by Mike
Mon Feb 27, 2017 4:02 am
Forum: Games
Topic: Work in progress: REALMS OF QUEST V
Replies: 67
Views: 1434

Re: Work in progress: REALMS OF QUEST V

R'zo wrote:It's a CRT. [...]

If you are so kind to provide a photographic screenshot (ideally for both of your viewing equipment), that'd help a lot to assess how much leeway is left at the sides.
by Mike
Mon Feb 27, 2017 3:54 am
Forum: General Topics
Topic: ** Revision 2017 Invitation / Website
Replies: 2
Views: 160

Re: ** Revision 2017 Invitation / Website

Mike wrote:[...] tokra already signed up and I'll also be there. [...]

Really noone else from our forum going there? :?:
by Mike
Sat Feb 25, 2017 2:39 am
Forum: Hardware and Tech
Topic: File Archives
Replies: 3
Views: 106

Re: File Archives

You should be aware that any such collection necessarily is incomplete, as new software for the VIC-20 is still written today. ;) That being said, orion70 put a rather nice collection online some time ago, see here: http://sleepingelephant.com/ipw-web/bulletin/bb/viewtopic.php?t=5921&start=7 And...
by Mike
Sat Feb 25, 2017 2:28 am
Forum: Games
Topic: Question about prg and D64 games
Replies: 3
Views: 99

Re: Question about prg and D64 games

Or wrong RAM configuration: http://sleepingelephant.com/ipw-web/bulletin/bb/viewtopic.php?t=4141 . Edit : I see you originated that thread in 2010, so you should be aware of those issues. Without any examples given by you, however, I cannot imagine how you'd come to the assessment, that there are a ...
by Mike
Mon Feb 20, 2017 3:56 pm
Forum: Programming
Topic: Maxi-/Uber-Edit
Replies: 31
Views: 923

Re: Maxi-/Uber-Edit

SCREEN ($FFED) isn't vectored either. I can assure you, that I had been fully aware of this at the time I made my former posting. Just replace "which might be nice to have" with "which might have been nice to have" for any amount of semantic nitpicking. :lol: ;) ... In any case ...
by Mike
Sun Feb 19, 2017 4:01 pm
Forum: Programming
Topic: Maxi-/Uber-Edit
Replies: 31
Views: 923

Re: Maxi-/Uber-Edit

One question: is there an equivalent call to set the cursor X,Y-position directly? Unfortunately, the KERNAL PLOT routine at $FFF0 is not vectored and calls the original editor routines. :cry: (There's also the other call at $FFED which returns the screen size in X and Y, and which might be nice to ...
by Mike
Sat Feb 18, 2017 3:17 pm
Forum: Games
Topic: Work in progress: REALMS OF QUEST V
Replies: 67
Views: 1434

Re: Work in progress: REALMS OF QUEST V

it's just the VIC off-tune notes that irk me. They're really only *grossly* off-tune if you stick to the table in the user guide. If you recalculate the register values from the tempered scale, you arrive at: C 255 191 223 C# 134 195 225 D 141 198 226 D# 147 201 228 E 153 204 230 F 159 207 231 F# 1...
by Mike
Sat Feb 11, 2017 2:25 am
Forum: Programming
Topic: cc65 and RS232 User Port Serial
Replies: 75
Views: 786

Re: cc65 and RS232 User Port Serial

groepaz wrote:on vic20 apparently the shift register is used

Erm, no. In the entire VIC-20 KERNAL, there are no references to the shift register in $911A (or $912A for that matter).
by Mike
Fri Feb 10, 2017 12:58 pm
Forum: Programming
Topic: cc65 and RS232 User Port Serial
Replies: 75
Views: 786

Re: cc65 and RS232 User Port Serial

Hi, Bobbi, However after the initial load I get ?OUT OF MEMORY error for everything I try to do. So I need to do NEW (which shouldn't touch anything in $A000). indeed the BASIC command LOAD sets the pointer to the start of variables (a.k.a. "end of program") always corresponding to the byt...
by Mike
Fri Feb 10, 2017 12:41 pm
Forum: Announcement Board
Topic: VIC-20 Software Releases of 2017
Replies: 4
Views: 596

Re: VIC-20 Software Releases of 2017

Name : Vx02 Emulator Author : Aleksi Eeben Released : 6 February 2017 Description : Emulator for an imaginary 6502 based computer that thankfully never made it into production. Or? Requirements : VIC 20 unexpanded / PAL & NTSC supported Screenshots : http://www.image-share.com/upload/3434/145.p...

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